CN102520328A - Vacuum arc observation apparatus capable of being operated with adjustable speed - Google Patents
Vacuum arc observation apparatus capable of being operated with adjustable speed Download PDFInfo
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- CN102520328A CN102520328A CN2011104408800A CN201110440880A CN102520328A CN 102520328 A CN102520328 A CN 102520328A CN 2011104408800 A CN2011104408800 A CN 2011104408800A CN 201110440880 A CN201110440880 A CN 201110440880A CN 102520328 A CN102520328 A CN 102520328A
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Abstract
The invention, which belongs to an electrical engineering and mechanical technology field, discloses a vacuum arc observation apparatus capable of being operated with an adjustable speed and relates to a switching device which is used to observe vacuum arc and detect an influence degree of an on-off speed curve to arcing. In an observation apparatus, an upper surface of a permanent magnetic actuator which is taken as an actuator part is connected with an insulating bar. A displacement sensor is installed on a side surface of the permanent magnetic actuator. The permanent magnetic actuator and the displacement sensor are connected with a control module through a control wire respectively. The control module is connected with a high-speed digital camera through the control wire. An upper end of the insulating bar is connected with a moving contact. A static contact, which is vertically and fixedly installed above the moving contact, has a certain gap with the moving contact. According to the invention, a structure is simple, motion dispersibility is small and speed regulation operation is convenient to be realized. The apparatus is economic, reliable and is easy to be maintained. The apparatus is not interfered by an external environment. The apparatus can be used in a production unit of a vacuum interrupter and a test platform of a research institution.
Description
Technical field
The invention belongs to electrical engineering and field of mechanical technique, relate in a kind of electric system, be used for observing vacuum arc and detection to cut-off the switchgear of rate curve the arcing influence degree.
Background technology
Traditional electric arc observation device is general main to be to come contact is carried out arcing observation to arc-chutes structure of contact terminal and magnetic blow-out effect; Basically opening surely under contact; And be to adopt the gap trigger-type mostly; Trigger energy generally from the capacitor group, this electric arc belongs to the DC pulse formula, and the arcing situation in the work frequency circuit can not be described fully.In addition, the gap triggering system of opening distance surely is beyond expression out the contact movement velocity to the situation that influences of blow-out, more can't embody the diffusion reaction state of instantaneous velocity to electric arc.The success of vacuum arc is cut-off and will be experienced the process of electric arc from aggregative state to the diffusion attitude, and this process both structural design with vacuum arc-extinguishing chamber contact is relevant, i.e. the magnetic field arc blowing function of structure of contact terminal generation is relevant; The dynamic speed of also opening with contact is relevant, comprises that the instantaneous velocity etc. of initial, the average and pilot process of contact is closely related.If through isolating switch cut-off when test can real-time monitored to the dynamic shape that cut-offs electric arc between contact and extinguish state, then can well analyze, and find out optimum arcing structure of contact terminal the planform of test product contact.Simultaneously, if can measure the control case of contact movement velocity and electric arc incidence and development, then cut-off between the characteristic and can provide good reference frame for the successful blow-out of device for switching and the best.Particularly for those improper electric arc, like high frequency, DC pulse, force the observation and the switchgear specificity analysis of zero passage, transferred arc etc. can play good help.In addition, the electric arc observation device that tradition is heavy is unfavorable for moving, and the dirigibility of cut-offfing test is brought a lot of inconveniences.
Summary of the invention
The technical barrier that the present invention will solve is the defective that overcomes above-mentioned prior art, invents a kind of observation device.In observation device, the permanent-magnet manipulating mechanism of scalable actuating speed cooperates a kind of special transparent vacuum interrupter to realize the real-time monitored of electric arc.Can replace the heavy vacuum arc observation device of tradition.Its adopts control module to handle the adjustable speed action of permanent-magnet manipulating mechanism, and synchronous triggering high-speed camera appearance gathers the electric arc image, for objective judgement arcing situation provides foundation.Thereby realized and to have obtained the experiment energy from various electric system flexibly, and the electric arc observation device of being convenient to move.
The technical scheme that the present invention adopts is a kind of vacuum arc observation device of adjustable speed actuating; In the observation device; Upper surface as the permanent-magnet manipulating mechanism 1 of actuating parts links to each other with insulated tension pole 4; Displacement transducer 2 is installed in the side of permanent-magnet manipulating mechanism 1, and permanent-magnet manipulating mechanism 1 links to each other with control module 3 through control line respectively with displacement transducer 2, and control module 3 links to each other with high-speed camera appearance 10 through control line; The center pit that moving contact 7 passes corrugated tube 5 and bottom end cover 11 links to each other with the upper end of insulated tension pole 4; One end of corrugated tube 5 is fixed on the bottom end cover 11, and corrugated tube 5 other ends link to each other with moving contact 7 middle parts; Vertical fixing is installed between static contact 8 and the moving contact 7 below the upper end cover 12 and leaves certain gap; The radome of vacuum interrupter 9 adopts transparent glass cover 6, and moving contact 7, corrugated tube 5 and static contact 8 are in vacuum interrupter 9.
Displacement transducer in a kind of vacuum arc observation device of adjustable speed actuating adopts rheochord, grating or magnetic induction displacement transducer, and operating mechanism adopts permanent-magnet manipulating mechanism, magnetic operating mechanism or electric operating mechanism to carry out speed regulation.
Effect of the present invention and benefit are that the present invention is the vacuum interrupter observation device that a kind of convenience moved, cut-off adjustable-speed.Can realize the collection of dynamic arc image, and cooperate to come the real-time implementation speed Tracking adjustable through control module and displacement transducer, its work is accurately reliable, and cost is lower, and easy care.This device for the dynamic mechanically characteristic of experimental test, electric arc observation and the check valve equipment of vacuum interrupter in the electric system to the influence of arc extinguishing process provide a kind of easily, observation platform flexibly.
Description of drawings
Fig. 1 is a structure function synoptic diagram of the present invention.
Fig. 2 is the physical construction synoptic diagram of observation device, wherein: 1 permanent-magnet manipulating mechanism; 2 displacement transducers; 3 control modules; 4 insulated tension poles; 5 corrugated tubes; 6 transparent glass covers; 7 moving contacts; 8 static contacts; 9 vacuum interrupters; 10 high-speed camera appearance; 11 bottom end covers; 12 upper end covers.
Embodiment
Specify practical implementation of the present invention below in conjunction with accompanying drawing and technical scheme, accompanying drawing 1 is a structure function synoptic diagram of the present invention.The operating mechanism of observation device adopts permanent-magnet manipulating mechanism, and the top connection insulated tension pole of permanent-magnet manipulating mechanism connects moving contact above the insulated tension pole, realizes being moved up and down by the motion drive moving contact of permanent-magnet manipulating mechanism, adopts corrugated tube to prevent gas leakage.The displacement transducer of installing in the permanent-magnet manipulating mechanism side is used for following the tracks of the actuating parts; Measure the variation of displacement in real time; Gather the signal change of displacement transducer then through control module, thereby draw real-time displacement and speed amount, realized the adjustable speed operation.Control module high-speed camera appearance of driven in synchronism simultaneously gathers in real time the image of dynamic arc, thereby realizes dirigibility, the convenience of electric arc collection observation.Fig. 2 of the present invention is one embodiment of the present of invention, and each several part can correspond respectively to the each several part in Fig. 1 structure function synoptic diagram among the figure.Top and the insulated tension pole 4 of permanent-magnet manipulating mechanism 1 links to each other, and the side of permanent-magnet manipulating mechanism 1 is connected with displacement transducer 2.Permanent-magnet manipulating mechanism 1 links to each other with control module 3 through control line with displacement transducer 2 simultaneously.Control module 3 links to each other with high-speed camera appearance 10 through control line.The center pit that moving contact 7 passes corrugated tube 5 and bottom end cover 11 links to each other with the upper end of insulated tension pole 4; One end of corrugated tube 5 is fixed on the bottom end cover 11, and corrugated tube 5 other ends link to each other with moving contact 7 middle parts; The corrugated tube 5, moving contact 7, the static contact 8 that are surrounded by transparent glass cover 6 have constituted vacuum interrupter 9.Vertical fixing is installed between static contact 8 and the moving contact 7 below the upper end cover 12 and leaves certain gap, forms vacuum sealing electric arc observation space with transparent glass cover.
Do not adopt radome in the vacuum extinction chamber interior; Moving contact is the same with traditional arc-chutes with static contact; Be enclosed in together in the arc-extinguish chamber that transparent glass cover processes, the transparent glass cover radius size than the big 1-2 of traditional arc-chutes doubly influences observation effect with the absorption that prevents excess metal steam.When total system is worked, send instruction by control module 3 to permanent-magnet manipulating mechanism 1, permanent-magnet manipulating mechanism 1 drives insulated tension pole 4 upper and lower motions, thereby drives moving contact 7 upper and lower motions, realizes closing, sub-switching operation.In permanent-magnet manipulating mechanism 1 motion; Be connected displacement transducer 2 on the permanent-magnet manipulating mechanism 1 and follow the tracks of the stroke of permanent-magnet manipulating mechanism in real time; And come the moving displacement curve of real-time regulated permanent-magnet manipulating mechanism 1, thereby realize that arc-chutes close, divide action according to promptly deciding the curve speed governing operation through control module 3.In addition, the also shooting of synchro control high-speed camera appearance 10 of control module 3 realizes the shooting of electric arc image real-time.Corrugated tube 5 has guaranteed the physical strength and the condition of high vacuum degree of vacuum interrupter with moving contact 7 synchronization actions.Entire equipment realizes that by permanent-magnet manipulating mechanism 1 branch, closing position keep; Displacement transducer 2 is the action displacement of monitoring permanent magnet mechanism 1 in real time, and feeds back to control module 3; The curve movement of control module 3 real-time regulated permanent magnet mechanisms 1 is realized speed governing branch, closing operation.
The permanent-magnet manipulating mechanism that the present invention relates to is simple in structure, action is dispersed little, is convenient to realize the speed regulation operation.The vacuum arc extinguish chamber structure of being invented is simple, and industrial realization is convenient.Whole device is economical, reliable, does not receive external environmental interference, can be used in the middle of switch mechanical property and the research that the arc-chutes characteristic cooperates of test platform, scientific research institutions of vacuum interrupter production unit.
Claims (2)
1. the vacuum arc observation device of an adjustable speed actuating is characterized in that, in observation device, carries out branch, closing operation by permanent magnet mechanism (1), and realizes that the position keeps; Upper surface as the permanent-magnet manipulating mechanism (1) of actuating parts links to each other with insulated tension pole (4); Displacement transducer (2) is installed in the side of permanent-magnet manipulating mechanism (1); Permanent-magnet manipulating mechanism (1) links to each other with control module (3) through control line respectively with displacement transducer (2), and control module (3) links to each other with high-speed camera appearance (10) through control line; The center pit that moving contact (7) passes corrugated tube (5) and bottom end cover (11) links to each other with the upper end of insulated tension pole (4); One end of corrugated tube (5) is fixed on the bottom end cover (11), and corrugated tube (5) other end links to each other with moving contact (7) middle part; Vertical fixing is installed between following static contact (8) of upper end cover (12) and the moving contact (7) and leaves certain gap; The radome of vacuum interrupter (9) adopts transparent glass cover (6), and moving contact (7), corrugated tube (5) and static contact (8) are in vacuum interrupter (9).
2. the vacuum arc observation device of a kind of adjustable speed actuating as claimed in claim 1 is characterized in that, displacement transducer (2) adopts rheochord, grating or magnetic induction displacement transducer; Operating mechanism adopts permanent-magnet manipulating mechanism, magnetic operating mechanism or electric operating mechanism to carry out speed regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440880.0A CN102520328B (en) | 2011-12-26 | 2011-12-26 | Vacuum arc observation apparatus capable of being operated with adjustable speed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440880.0A CN102520328B (en) | 2011-12-26 | 2011-12-26 | Vacuum arc observation apparatus capable of being operated with adjustable speed |
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| CN102520328A true CN102520328A (en) | 2012-06-27 |
| CN102520328B CN102520328B (en) | 2014-02-05 |
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| CN201110440880.0A Expired - Fee Related CN102520328B (en) | 2011-12-26 | 2011-12-26 | Vacuum arc observation apparatus capable of being operated with adjustable speed |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698332A (en) * | 2015-03-11 | 2015-06-10 | 西安交通大学 | Synchronous measuring device and method of arc and contact moving process based on laser imaging |
| CN105259501A (en) * | 2015-11-03 | 2016-01-20 | 平高集团有限公司 | High-voltage direct-current on-off experiment device |
| CN105258932A (en) * | 2015-11-03 | 2016-01-20 | 国家电网公司 | Mechanical service lifetime test apparatus of high-voltage switch contact |
| CN105759203A (en) * | 2016-04-01 | 2016-07-13 | 平高集团有限公司 | Arc test device |
| CN106597273A (en) * | 2016-12-25 | 2017-04-26 | 河北工业大学 | Vacuum switch arc comprehensive experimental device |
| CN107271864A (en) * | 2017-06-22 | 2017-10-20 | 沈阳工业大学 | Multifunctional arc experimental provision |
| CN111640599A (en) * | 2020-05-30 | 2020-09-08 | 西安交通大学 | Damping system capable of adjusting switch opening and closing stroke curve and working method |
| CN113359019A (en) * | 2021-04-27 | 2021-09-07 | 西安交通大学 | High-voltage alternating-current on-off test system based on signal generator triggering |
| CN113687203A (en) * | 2021-10-26 | 2021-11-23 | 江苏华荣绝缘材料有限公司 | Insulation test equipment for insulation product and accident protection structure |
| CN114019308A (en) * | 2021-11-05 | 2022-02-08 | 国网辽宁省电力有限公司电力科学研究院 | Power distribution network single-phase earth fault arc self-extinguishing characteristic simulation device and test method |
| WO2022027877A1 (en) * | 2020-08-07 | 2022-02-10 | 天津平高智能电气有限公司 | Method and apparatus for measuring movement speed of contact of vacuum switch |
| CN114355131A (en) * | 2022-03-21 | 2022-04-15 | 合肥航太电物理技术有限公司 | EWIS electric arc test device suitable for low atmospheric pressure environment |
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| CN101976626A (en) * | 2010-11-09 | 2011-02-16 | 常州市明及电气技术开发有限公司 | Structure of vacuum interrupter |
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2011
- 2011-12-26 CN CN201110440880.0A patent/CN102520328B/en not_active Expired - Fee Related
Patent Citations (1)
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| CN101976626A (en) * | 2010-11-09 | 2011-02-16 | 常州市明及电气技术开发有限公司 | Structure of vacuum interrupter |
Non-Patent Citations (2)
| Title |
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| 董华军等: "真空开关电弧图像采集及其处理过程", 《电工技术学报》, vol. 22, no. 8, 31 August 2007 (2007-08-31) * |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698332B (en) * | 2015-03-11 | 2018-01-19 | 西安交通大学 | The synchronous measuring apparatus and method of electric arc and contact motion process based on laser imaging |
| CN104698332A (en) * | 2015-03-11 | 2015-06-10 | 西安交通大学 | Synchronous measuring device and method of arc and contact moving process based on laser imaging |
| CN105259501A (en) * | 2015-11-03 | 2016-01-20 | 平高集团有限公司 | High-voltage direct-current on-off experiment device |
| CN105258932A (en) * | 2015-11-03 | 2016-01-20 | 国家电网公司 | Mechanical service lifetime test apparatus of high-voltage switch contact |
| CN105259501B (en) * | 2015-11-03 | 2019-07-05 | 平高集团有限公司 | A kind of high voltage direct current cut-offs experimental provision |
| CN105258932B (en) * | 2015-11-03 | 2017-12-05 | 国家电网公司 | High-voltage switch contact mechanical endurance test device |
| CN105759203A (en) * | 2016-04-01 | 2016-07-13 | 平高集团有限公司 | Arc test device |
| CN106597273A (en) * | 2016-12-25 | 2017-04-26 | 河北工业大学 | Vacuum switch arc comprehensive experimental device |
| CN106597273B (en) * | 2016-12-25 | 2023-06-16 | 河北工业大学 | Vacuum switch electric arc comprehensive experiment device |
| CN107271864A (en) * | 2017-06-22 | 2017-10-20 | 沈阳工业大学 | Multifunctional arc experimental provision |
| CN107271864B (en) * | 2017-06-22 | 2020-02-14 | 沈阳工业大学 | Multifunctional arc experimental device |
| CN111640599A (en) * | 2020-05-30 | 2020-09-08 | 西安交通大学 | Damping system capable of adjusting switch opening and closing stroke curve and working method |
| CN111640599B (en) * | 2020-05-30 | 2021-03-16 | 西安交通大学 | Damping system capable of adjusting switch opening and closing stroke curve and working method |
| WO2022027877A1 (en) * | 2020-08-07 | 2022-02-10 | 天津平高智能电气有限公司 | Method and apparatus for measuring movement speed of contact of vacuum switch |
| CN113359019A (en) * | 2021-04-27 | 2021-09-07 | 西安交通大学 | High-voltage alternating-current on-off test system based on signal generator triggering |
| CN113687203A (en) * | 2021-10-26 | 2021-11-23 | 江苏华荣绝缘材料有限公司 | Insulation test equipment for insulation product and accident protection structure |
| CN114019308A (en) * | 2021-11-05 | 2022-02-08 | 国网辽宁省电力有限公司电力科学研究院 | Power distribution network single-phase earth fault arc self-extinguishing characteristic simulation device and test method |
| CN114355131A (en) * | 2022-03-21 | 2022-04-15 | 合肥航太电物理技术有限公司 | EWIS electric arc test device suitable for low atmospheric pressure environment |
| CN114355131B (en) * | 2022-03-21 | 2022-05-17 | 合肥航太电物理技术有限公司 | EWIS electric arc test device suitable for low atmospheric pressure environment |
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| CN102520328B (en) | 2014-02-05 |
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Granted publication date: 20140205 Termination date: 20161226 |